OPTO 22 G4LC32, User Manual

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G4LC32 User’s Guide
1. Remove the power supply and any communication cable connections.
2. Remove the four screws attaching the communications board to the controller.
3. Gently pull off the communications board to access the mother board.
4. Remove the battery connection to the mother board.
5. Remove the 34-pin ribbon cable (local cable) from the mother board by pressing down the release tabs.
6. Pull out the G4LC32 mother board.
7. The diagram on the next page shows the RAM, expansion RAM, and Flash EPROM locations on the mother
board.
8. Make your expansion changes on the mother board by referring to the tables for RAM and Flash EPROM
jumpers. Set the appropriate jumper setting and add or change chips.
9. Slip the mother board back into the controller.
10. Attach the battery and local cable connections.
11. Screw down the communications board to the controller.
12. Reattach communications and power connections.
The following diagram shows the locations of the RAM, expansion RAM, Flash EPROM sockets, and memory size
jumper groups.
G4LC32 Mother Board
INSTALLATION
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